package org.apache.maven.artifact.deployer;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.io.File;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.maven.RepositoryUtils;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.DefaultArtifactRepository;
import org.apache.maven.artifact.repository.LegacyLocalRepositoryManager;
import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.MetadataBridge;
import org.apache.maven.artifact.repository.metadata.SnapshotArtifactRepositoryMetadata;
import org.apache.maven.plugin.LegacySupport;
import org.apache.maven.project.artifact.ProjectArtifactMetadata;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.RequestTrace;
import org.eclipse.aether.deployment.DeployRequest;
import org.eclipse.aether.deployment.DeployResult;
import org.eclipse.aether.deployment.DeploymentException;
import org.eclipse.aether.metadata.MergeableMetadata;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.util.artifact.SubArtifact;

@Component(role = ArtifactDeployer.class,
    instantiationStrategy = "per-lookup")
public class DefaultArtifactDeployer extends AbstractLogEnabled implements ArtifactDeployer {

  @Requirement
  private RepositorySystem repoSystem;

  @Requirement
  private LegacySupport legacySupport;

  private Map<Object, MergeableMetadata> relatedMetadata = new ConcurrentHashMap<Object, MergeableMetadata>();

  /**
   * @deprecated we want to use the artifact method only, and ensure artifact.file is set correctly.
   */
  @Deprecated
  public void deploy(String basedir, String finalName, Artifact artifact, ArtifactRepository deploymentRepository,
      ArtifactRepository localRepository) throws ArtifactDeploymentException {
    String extension = artifact.getArtifactHandler().getExtension();
    File source = new File(basedir, finalName + "." + extension);
    deploy(source, artifact, deploymentRepository, localRepository);
  }

  public void deploy(File source, Artifact artifact, ArtifactRepository deploymentRepository,
      ArtifactRepository localRepository) throws ArtifactDeploymentException {
    RepositorySystemSession session = LegacyLocalRepositoryManager.overlay(localRepository,
        legacySupport.getRepositorySession(), repoSystem);

    DeployRequest request = new DeployRequest();

    request.setTrace(RequestTrace.newChild(null, legacySupport.getSession().getCurrentProject()));

    org.eclipse.aether.artifact.Artifact mainArtifact = RepositoryUtils.toArtifact(artifact);
    mainArtifact = mainArtifact.setFile(source);
    request.addArtifact(mainArtifact);

    String versionKey = artifact.getGroupId() + ':' + artifact.getArtifactId();
    String snapshotKey = null;
    if (artifact.isSnapshot()) {
      snapshotKey = versionKey + ':' + artifact.getBaseVersion();
      request.addMetadata(relatedMetadata.get(snapshotKey));
    }
    request.addMetadata(relatedMetadata.get(versionKey));

    for (ArtifactMetadata metadata : artifact.getMetadataList()) {
      if (metadata instanceof ProjectArtifactMetadata) {
        org.eclipse.aether.artifact.Artifact pomArtifact = new SubArtifact(mainArtifact, "", "pom");
        pomArtifact = pomArtifact.setFile(((ProjectArtifactMetadata) metadata).getFile());
        request.addArtifact(pomArtifact);
      } else if (metadata instanceof SnapshotArtifactRepositoryMetadata
          || metadata instanceof ArtifactRepositoryMetadata) {
        // eaten, handled by repo system
      } else {
        request.addMetadata(new MetadataBridge(metadata));
      }
    }

    RemoteRepository remoteRepo = RepositoryUtils.toRepo(deploymentRepository);
    /*
     * NOTE: This provides backward-compat with maven-deploy-plugin:2.4 which bypasses the
     * repository factory when using an alternative deployment location.
     */
    if (deploymentRepository instanceof DefaultArtifactRepository && deploymentRepository.getAuthentication() == null) {
      RemoteRepository.Builder builder = new RemoteRepository.Builder(remoteRepo);
      builder.setAuthentication(session.getAuthenticationSelector().getAuthentication(remoteRepo));
      builder.setProxy(session.getProxySelector().getProxy(remoteRepo));
      remoteRepo = builder.build();
    }
    request.setRepository(remoteRepo);

    DeployResult result;
    try {
      result = repoSystem.deploy(session, request);
    } catch (DeploymentException e) {
      throw new ArtifactDeploymentException(e.getMessage(), e);
    }

    for (Object metadata : result.getMetadata()) {
      if (metadata.getClass().getName().endsWith(".internal.VersionsMetadata")) {
        relatedMetadata.put(versionKey, (MergeableMetadata) metadata);
      }
      if (snapshotKey != null && metadata.getClass().getName().endsWith(".internal.RemoteSnapshotMetadata")) {
        relatedMetadata.put(snapshotKey, (MergeableMetadata) metadata);
      }
    }

    artifact.setResolvedVersion(result.getArtifacts().iterator().next().getVersion());
  }

}
